3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
31 #include "libavformat/avformat.h"
32 #include "libavdevice/avdevice.h"
33 #include "libswscale/swscale.h"
34 #include "libavutil/opt.h"
35 #include "libavcodec/audioconvert.h"
36 #include "libavutil/audioconvert.h"
37 #include "libavutil/parseutils.h"
38 #include "libavutil/samplefmt.h"
39 #include "libavutil/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/intreadwrite.h"
42 #include "libavutil/dict.h"
43 #include "libavutil/mathematics.h"
44 #include "libavutil/pixdesc.h"
45 #include "libavutil/avstring.h"
46 #include "libavutil/libm.h"
47 #include "libavformat/os_support.h"
49 #include "libavformat/ffm.h" // not public API
52 # include "libavfilter/avcodec.h"
53 # include "libavfilter/avfilter.h"
54 # include "libavfilter/avfiltergraph.h"
55 # include "libavfilter/vsink_buffer.h"
56 # include "libavfilter/vsrc_buffer.h"
59 #if HAVE_SYS_RESOURCE_H
60 #include <sys/types.h>
62 #include <sys/resource.h>
63 #elif HAVE_GETPROCESSTIMES
66 #if HAVE_GETPROCESSMEMORYINFO
72 #include <sys/select.h>
77 #include <sys/ioctl.h>
87 #include "libavutil/avassert.h"
89 const char program_name[] = "ffmpeg";
90 const int program_birth_year = 2000;
92 /* select an input stream for an output stream */
93 typedef struct StreamMap {
94 int disabled; /** 1 is this mapping is disabled by a negative map */
98 int sync_stream_index;
102 * select an input file for an output file
104 typedef struct MetadataMap {
105 int file; ///< file index
106 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
107 int index; ///< stream/chapter/program number
110 static const OptionDef options[];
112 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
113 static const char *last_asked_format = NULL;
114 static AVDictionary *ts_scale;
116 static StreamMap *stream_maps = NULL;
117 static int nb_stream_maps;
119 static AVDictionary *codec_names;
121 /* first item specifies output metadata, second is input */
122 static MetadataMap (*meta_data_maps)[2] = NULL;
123 static int nb_meta_data_maps;
124 static int metadata_global_autocopy = 1;
125 static int metadata_streams_autocopy = 1;
126 static int metadata_chapters_autocopy = 1;
128 static int chapters_input_file = INT_MAX;
130 /* indexed by output file stream index */
131 static int *streamid_map = NULL;
132 static int nb_streamid_map = 0;
134 static int frame_width = 0;
135 static int frame_height = 0;
136 static float frame_aspect_ratio = 0;
137 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
138 static int frame_bits_per_raw_sample = 0;
139 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
140 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
141 static AVRational frame_rate;
142 static float video_qscale = 0;
143 static uint16_t *intra_matrix = NULL;
144 static uint16_t *inter_matrix = NULL;
145 static const char *video_rc_override_string=NULL;
146 static int video_disable = 0;
147 static int video_discard = 0;
148 static unsigned int video_codec_tag = 0;
149 static char *video_language = NULL;
150 static int same_quant = 0;
151 static int do_deinterlace = 0;
152 static int top_field_first = -1;
153 static int me_threshold = 0;
154 static int intra_dc_precision = 8;
155 static int loop_input = 0;
156 static int loop_output = AVFMT_NOOUTPUTLOOP;
157 static int qp_hist = 0;
159 static char *vfilters = NULL;
162 static int intra_only = 0;
163 static int audio_sample_rate = 0;
164 #define QSCALE_NONE -99999
165 static float audio_qscale = QSCALE_NONE;
166 static int audio_disable = 0;
167 static int audio_channels = 0;
168 static unsigned int audio_codec_tag = 0;
169 static char *audio_language = NULL;
171 static int subtitle_disable = 0;
172 static char *subtitle_language = NULL;
173 static unsigned int subtitle_codec_tag = 0;
175 static int data_disable = 0;
176 static unsigned int data_codec_tag = 0;
178 static float mux_preload= 0.5;
179 static float mux_max_delay= 0.7;
181 static int64_t recording_time = INT64_MAX;
182 static int64_t start_time = 0;
183 static int64_t input_ts_offset = 0;
184 static int file_overwrite = 0;
185 static AVDictionary *metadata;
186 static int do_benchmark = 0;
187 static int do_hex_dump = 0;
188 static int do_pkt_dump = 0;
189 static int do_psnr = 0;
190 static int do_pass = 0;
191 static const char *pass_logfilename_prefix;
192 static int video_sync_method= -1;
193 static int audio_sync_method= 0;
194 static float audio_drift_threshold= 0.1;
195 static int copy_ts= 0;
196 static int copy_tb= 0;
197 static int opt_shortest = 0;
198 static char *vstats_filename;
199 static FILE *vstats_file;
200 static int opt_programid = 0;
201 static int copy_initial_nonkeyframes = 0;
203 static int rate_emu = 0;
205 static int audio_volume = 256;
207 static int exit_on_error = 0;
208 static int using_stdin = 0;
209 static int verbose = 1;
210 static int run_as_daemon = 0;
211 static int thread_count= 1;
212 static int q_pressed = 0;
213 static int64_t video_size = 0;
214 static int64_t audio_size = 0;
215 static int64_t extra_size = 0;
216 static int nb_frames_dup = 0;
217 static int nb_frames_drop = 0;
218 static int input_sync;
219 static uint64_t limit_filesize = 0;
220 static int force_fps = 0;
221 static char *forced_key_frames = NULL;
223 static float dts_delta_threshold = 10;
225 static int64_t timer_start;
227 static uint8_t *audio_buf;
228 static uint8_t *audio_out;
229 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
231 static short *samples;
233 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
234 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
235 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
237 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
241 typedef struct OutputStream {
242 int file_index; /* file index */
243 int index; /* stream index in the output file */
244 int source_index; /* InputStream index */
245 AVStream *st; /* stream in the output file */
246 int encoding_needed; /* true if encoding needed for this stream */
248 /* input pts and corresponding output pts
250 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
251 struct InputStream *sync_ist; /* input stream to sync against */
252 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
253 AVBitStreamFilterContext *bitstream_filters;
258 AVFrame resample_frame; /* temporary frame for image resampling */
259 struct SwsContext *img_resample_ctx; /* for image resampling */
262 int resample_pix_fmt;
263 AVRational frame_rate;
265 float frame_aspect_ratio;
267 /* forced key frames */
268 int64_t *forced_kf_pts;
274 ReSampleContext *resample; /* for audio resampling */
275 int resample_sample_fmt;
276 int resample_channels;
277 int resample_sample_rate;
279 AVAudioConvert *reformat_ctx;
280 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
284 AVFilterContext *output_video_filter;
285 AVFilterContext *input_video_filter;
286 AVFilterBufferRef *picref;
288 AVFilterGraph *graph;
293 int is_past_recording_time;
296 typedef struct InputStream {
299 int discard; /* true if stream data should be discarded */
300 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
303 int64_t start; /* time when read started */
304 int64_t next_pts; /* synthetic pts for cases where pkt.pts
306 int64_t pts; /* current pts */
308 int is_start; /* is 1 at the start and after a discontinuity */
309 int showed_multi_packet_warning;
313 typedef struct InputFile {
314 AVFormatContext *ctx;
315 int eof_reached; /* true if eof reached */
316 int ist_index; /* index of first stream in ist_table */
317 int buffer_size; /* current total buffer size */
324 /* init terminal so that we can grab keys */
325 static struct termios oldtty;
328 typedef struct OutputFile {
329 AVFormatContext *ctx;
331 int ost_index; /* index of the first stream in output_streams */
332 int64_t recording_time; /* desired length of the resulting file in microseconds */
335 static InputStream *input_streams = NULL;
336 static int nb_input_streams = 0;
337 static InputFile *input_files = NULL;
338 static int nb_input_files = 0;
340 static OutputStream *output_streams = NULL;
341 static int nb_output_streams = 0;
342 static OutputFile *output_files = NULL;
343 static int nb_output_files = 0;
347 static int configure_video_filters(InputStream *ist, OutputStream *ost)
349 AVFilterContext *last_filter, *filter;
350 /** filter graph containing all filters including input & output */
351 AVCodecContext *codec = ost->st->codec;
352 AVCodecContext *icodec = ist->st->codec;
353 enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE };
354 AVRational sample_aspect_ratio;
358 ost->graph = avfilter_graph_alloc();
360 if (ist->st->sample_aspect_ratio.num){
361 sample_aspect_ratio = ist->st->sample_aspect_ratio;
363 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
365 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
366 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
367 sample_aspect_ratio.num, sample_aspect_ratio.den);
369 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
370 "src", args, NULL, ost->graph);
373 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
374 "out", NULL, pix_fmts, ost->graph);
377 last_filter = ost->input_video_filter;
379 if (codec->width != icodec->width || codec->height != icodec->height) {
380 snprintf(args, 255, "%d:%d:flags=0x%X",
384 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
385 NULL, args, NULL, ost->graph)) < 0)
387 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
389 last_filter = filter;
392 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
393 ost->graph->scale_sws_opts = av_strdup(args);
396 AVFilterInOut *outputs = avfilter_inout_alloc();
397 AVFilterInOut *inputs = avfilter_inout_alloc();
399 outputs->name = av_strdup("in");
400 outputs->filter_ctx = last_filter;
401 outputs->pad_idx = 0;
402 outputs->next = NULL;
404 inputs->name = av_strdup("out");
405 inputs->filter_ctx = ost->output_video_filter;
409 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
411 av_freep(&ost->avfilter);
413 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
417 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
420 codec->width = ost->output_video_filter->inputs[0]->w;
421 codec->height = ost->output_video_filter->inputs[0]->h;
422 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
423 ost->frame_aspect_ratio ? // overriden by the -aspect cli option
424 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
425 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
429 #endif /* CONFIG_AVFILTER */
431 static void term_exit(void)
433 av_log(NULL, AV_LOG_QUIET, "%s", "");
436 tcsetattr (0, TCSANOW, &oldtty);
440 static volatile int received_sigterm = 0;
443 sigterm_handler(int sig)
445 received_sigterm = sig;
450 static void term_init(void)
460 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
461 |INLCR|IGNCR|ICRNL|IXON);
462 tty.c_oflag |= OPOST;
463 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
464 tty.c_cflag &= ~(CSIZE|PARENB);
469 tcsetattr (0, TCSANOW, &tty);
470 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
474 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
475 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
477 signal(SIGXCPU, sigterm_handler);
481 /* read a key without blocking */
482 static int read_key(void)
497 n = select(1, &rfds, NULL, NULL, &tv);
512 static int decode_interrupt_cb(void)
514 q_pressed += read_key() == 'q';
515 return q_pressed > 1;
518 static int exit_program(int ret)
523 for(i=0;i<nb_output_files;i++) {
524 AVFormatContext *s = output_files[i].ctx;
525 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
527 avformat_free_context(s);
528 av_dict_free(&output_files[i].opts);
530 for(i=0;i<nb_input_files;i++) {
531 av_close_input_file(input_files[i].ctx);
533 for (i = 0; i < nb_input_streams; i++)
534 av_dict_free(&input_streams[i].opts);
536 av_free(intra_matrix);
537 av_free(inter_matrix);
541 av_free(vstats_filename);
543 av_free(streamid_map);
544 av_free(meta_data_maps);
546 av_freep(&input_streams);
547 av_freep(&input_files);
548 av_freep(&output_streams);
549 av_freep(&output_files);
554 allocated_audio_buf_size= allocated_audio_out_size= 0;
561 if (received_sigterm) {
563 "Received signal %d: terminating.\n",
564 (int) received_sigterm);
568 exit(ret); /* not all OS-es handle main() return value */
572 static void assert_avoptions(AVDictionary *m)
574 AVDictionaryEntry *t;
575 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
576 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
581 static void assert_codec_experimental(AVCodecContext *c, int encoder)
583 const char *codec_string = encoder ? "encoder" : "decoder";
585 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
586 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
587 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
588 "results.\nAdd '-strict experimental' if you want to use it.\n",
589 codec_string, c->codec->name);
590 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
591 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
592 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
593 codec_string, codec->name);
598 /* similar to ff_dynarray_add() and av_fast_realloc() */
599 static void *grow_array(void *array, int elem_size, int *size, int new_size)
601 if (new_size >= INT_MAX / elem_size) {
602 fprintf(stderr, "Array too big.\n");
605 if (*size < new_size) {
606 uint8_t *tmp = av_realloc(array, new_size*elem_size);
608 fprintf(stderr, "Could not alloc buffer.\n");
611 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
618 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
620 if(codec && codec->sample_fmts){
621 const enum AVSampleFormat *p= codec->sample_fmts;
623 if(*p == st->codec->sample_fmt)
627 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
628 av_log(NULL, AV_LOG_ERROR, "Convertion will not be lossless'\n");
629 if(av_get_sample_fmt_name(st->codec->sample_fmt))
630 av_log(NULL, AV_LOG_WARNING,
631 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
632 av_get_sample_fmt_name(st->codec->sample_fmt),
634 av_get_sample_fmt_name(codec->sample_fmts[0]));
635 st->codec->sample_fmt = codec->sample_fmts[0];
640 static void choose_sample_rate(AVStream *st, AVCodec *codec)
642 if(codec && codec->supported_samplerates){
643 const int *p= codec->supported_samplerates;
645 int best_dist=INT_MAX;
647 int dist= abs(st->codec->sample_rate - *p);
648 if(dist < best_dist){
654 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
656 st->codec->sample_rate= best;
660 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
662 if(codec && codec->pix_fmts){
663 const enum PixelFormat *p= codec->pix_fmts;
664 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
665 if(st->codec->codec_id==CODEC_ID_MJPEG){
666 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
667 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
668 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE};
672 if(*p == st->codec->pix_fmt)
676 if(st->codec->pix_fmt != PIX_FMT_NONE)
677 av_log(NULL, AV_LOG_WARNING,
678 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
679 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
681 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
682 st->codec->pix_fmt = codec->pix_fmts[0];
688 get_sync_ipts(const OutputStream *ost)
690 const InputStream *ist = ost->sync_ist;
691 return (double)(ist->pts - start_time)/AV_TIME_BASE;
694 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
698 AVPacket new_pkt= *pkt;
699 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
700 &new_pkt.data, &new_pkt.size,
701 pkt->data, pkt->size,
702 pkt->flags & AV_PKT_FLAG_KEY);
705 new_pkt.destruct= av_destruct_packet;
707 fprintf(stderr, "%s failed for stream %d, codec %s",
708 bsfc->filter->name, pkt->stream_index,
709 avctx->codec ? avctx->codec->name : "copy");
719 ret= av_interleaved_write_frame(s, pkt);
721 print_error("av_interleaved_write_frame()", ret);
726 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
728 static void do_audio_out(AVFormatContext *s,
731 unsigned char *buf, int size)
734 int64_t audio_out_size, audio_buf_size;
735 int64_t allocated_for_size= size;
737 int size_out, frame_bytes, ret, resample_changed;
738 AVCodecContext *enc= ost->st->codec;
739 AVCodecContext *dec= ist->st->codec;
740 int osize = av_get_bytes_per_sample(enc->sample_fmt);
741 int isize = av_get_bytes_per_sample(dec->sample_fmt);
742 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
745 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
746 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
747 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
748 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
749 audio_buf_size*= osize*enc->channels;
751 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
752 if(coded_bps > 8*osize)
753 audio_out_size= audio_out_size * coded_bps / (8*osize);
754 audio_out_size += FF_MIN_BUFFER_SIZE;
756 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
757 fprintf(stderr, "Buffer sizes too large\n");
761 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
762 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
763 if (!audio_buf || !audio_out){
764 fprintf(stderr, "Out of memory in do_audio_out\n");
768 if (enc->channels != dec->channels)
769 ost->audio_resample = 1;
771 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
772 ost->resample_channels != dec->channels ||
773 ost->resample_sample_rate != dec->sample_rate;
775 if ((ost->audio_resample && !ost->resample) || resample_changed) {
776 if (resample_changed) {
777 av_log(NULL, AV_LOG_INFO, "Input stream #%d.%d frame changed from rate:%d fmt:%s ch:%d to rate:%d fmt:%s ch:%d\n",
778 ist->file_index, ist->st->index,
779 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
780 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
781 ost->resample_sample_fmt = dec->sample_fmt;
782 ost->resample_channels = dec->channels;
783 ost->resample_sample_rate = dec->sample_rate;
785 audio_resample_close(ost->resample);
787 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
788 if (audio_sync_method <= 1 &&
789 ost->resample_sample_fmt == enc->sample_fmt &&
790 ost->resample_channels == enc->channels &&
791 ost->resample_sample_rate == enc->sample_rate) {
792 ost->resample = NULL;
793 ost->audio_resample = 0;
795 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
796 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
797 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
798 enc->sample_rate, dec->sample_rate,
799 enc->sample_fmt, dec->sample_fmt,
801 if (!ost->resample) {
802 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
803 dec->channels, dec->sample_rate,
804 enc->channels, enc->sample_rate);
810 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
811 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
812 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
813 if (ost->reformat_ctx)
814 av_audio_convert_free(ost->reformat_ctx);
815 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
816 dec->sample_fmt, 1, NULL, 0);
817 if (!ost->reformat_ctx) {
818 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
819 av_get_sample_fmt_name(dec->sample_fmt),
820 av_get_sample_fmt_name(enc->sample_fmt));
823 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
826 if(audio_sync_method){
827 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
828 - av_fifo_size(ost->fifo)/(enc->channels * 2);
829 double idelta= delta*dec->sample_rate / enc->sample_rate;
830 int byte_delta= ((int)idelta)*2*dec->channels;
832 //FIXME resample delay
833 if(fabs(delta) > 50){
834 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
836 byte_delta= FFMAX(byte_delta, -size);
840 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
845 static uint8_t *input_tmp= NULL;
846 input_tmp= av_realloc(input_tmp, byte_delta + size);
848 if(byte_delta > allocated_for_size - size){
849 allocated_for_size= byte_delta + (int64_t)size;
854 memset(input_tmp, 0, byte_delta);
855 memcpy(input_tmp + byte_delta, buf, size);
859 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
861 }else if(audio_sync_method>1){
862 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
863 av_assert0(ost->audio_resample);
865 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
866 // fprintf(stderr, "drift:%f len:%d opts:%"PRId64" ipts:%"PRId64" fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2));
867 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
871 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
872 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
874 if (ost->audio_resample) {
876 size_out = audio_resample(ost->resample,
877 (short *)buftmp, (short *)buf,
878 size / (dec->channels * isize));
879 size_out = size_out * enc->channels * osize;
885 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
886 const void *ibuf[6]= {buftmp};
887 void *obuf[6]= {audio_buf};
888 int istride[6]= {isize};
889 int ostride[6]= {osize};
890 int len= size_out/istride[0];
891 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
892 printf("av_audio_convert() failed\n");
898 size_out = len*osize;
901 /* now encode as many frames as possible */
902 if (enc->frame_size > 1) {
903 /* output resampled raw samples */
904 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
905 fprintf(stderr, "av_fifo_realloc2() failed\n");
908 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
910 frame_bytes = enc->frame_size * osize * enc->channels;
912 while (av_fifo_size(ost->fifo) >= frame_bytes) {
914 av_init_packet(&pkt);
916 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
918 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
920 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
923 fprintf(stderr, "Audio encoding failed\n");
927 pkt.stream_index= ost->index;
930 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
931 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
932 pkt.flags |= AV_PKT_FLAG_KEY;
933 write_frame(s, &pkt, enc, ost->bitstream_filters);
935 ost->sync_opts += enc->frame_size;
939 av_init_packet(&pkt);
941 ost->sync_opts += size_out / (osize * enc->channels);
943 /* output a pcm frame */
944 /* determine the size of the coded buffer */
947 size_out = size_out*coded_bps/8;
949 if(size_out > audio_out_size){
950 fprintf(stderr, "Internal error, buffer size too small\n");
954 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
955 ret = avcodec_encode_audio(enc, audio_out, size_out,
958 fprintf(stderr, "Audio encoding failed\n");
962 pkt.stream_index= ost->index;
965 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
966 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
967 pkt.flags |= AV_PKT_FLAG_KEY;
968 write_frame(s, &pkt, enc, ost->bitstream_filters);
972 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
976 AVPicture picture_tmp;
979 dec = ist->st->codec;
981 /* deinterlace : must be done before any resize */
982 if (do_deinterlace) {
985 /* create temporary picture */
986 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
987 buf = av_malloc(size);
991 picture2 = &picture_tmp;
992 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
994 if(avpicture_deinterlace(picture2, picture,
995 dec->pix_fmt, dec->width, dec->height) < 0) {
996 /* if error, do not deinterlace */
997 fprintf(stderr, "Deinterlacing failed\n");
1006 if (picture != picture2)
1007 *picture = *picture2;
1011 /* we begin to correct av delay at this threshold */
1012 #define AV_DELAY_MAX 0.100
1014 static void do_subtitle_out(AVFormatContext *s,
1020 static uint8_t *subtitle_out = NULL;
1021 int subtitle_out_max_size = 1024 * 1024;
1022 int subtitle_out_size, nb, i;
1023 AVCodecContext *enc;
1026 if (pts == AV_NOPTS_VALUE) {
1027 fprintf(stderr, "Subtitle packets must have a pts\n");
1033 enc = ost->st->codec;
1035 if (!subtitle_out) {
1036 subtitle_out = av_malloc(subtitle_out_max_size);
1039 /* Note: DVB subtitle need one packet to draw them and one other
1040 packet to clear them */
1041 /* XXX: signal it in the codec context ? */
1042 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1047 for(i = 0; i < nb; i++) {
1048 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1049 // start_display_time is required to be 0
1050 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1051 sub->end_display_time -= sub->start_display_time;
1052 sub->start_display_time = 0;
1053 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1054 subtitle_out_max_size, sub);
1055 if (subtitle_out_size < 0) {
1056 fprintf(stderr, "Subtitle encoding failed\n");
1060 av_init_packet(&pkt);
1061 pkt.stream_index = ost->index;
1062 pkt.data = subtitle_out;
1063 pkt.size = subtitle_out_size;
1064 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1065 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1066 /* XXX: the pts correction is handled here. Maybe handling
1067 it in the codec would be better */
1069 pkt.pts += 90 * sub->start_display_time;
1071 pkt.pts += 90 * sub->end_display_time;
1073 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1077 static int bit_buffer_size= 1024*256;
1078 static uint8_t *bit_buffer= NULL;
1080 static void do_video_resample(OutputStream *ost,
1082 AVFrame *in_picture,
1083 AVFrame **out_picture)
1085 int resample_changed = 0;
1086 AVCodecContext *dec = ist->st->codec;
1087 *out_picture = in_picture;
1088 #if !CONFIG_AVFILTER
1089 resample_changed = ost->resample_width != dec->width ||
1090 ost->resample_height != dec->height ||
1091 ost->resample_pix_fmt != dec->pix_fmt;
1093 if (resample_changed) {
1094 av_log(NULL, AV_LOG_INFO,
1095 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1096 ist->file_index, ist->st->index,
1097 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1098 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1099 ost->resample_width = dec->width;
1100 ost->resample_height = dec->height;
1101 ost->resample_pix_fmt = dec->pix_fmt;
1104 ost->video_resample = dec->width != enc->width ||
1105 dec->height != enc->height ||
1106 dec->pix_fmt != enc->pix_fmt;
1108 if (ost->video_resample) {
1109 *out_picture = &ost->resample_frame;
1110 if (!ost->img_resample_ctx || resample_changed) {
1111 /* initialize the destination picture */
1112 if (!ost->resample_frame.data[0]) {
1113 avcodec_get_frame_defaults(&ost->resample_frame);
1114 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1115 enc->width, enc->height)) {
1116 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1120 /* initialize a new scaler context */
1121 sws_freeContext(ost->img_resample_ctx);
1122 ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
1123 enc->width, enc->height, enc->pix_fmt,
1124 ost->sws_flags, NULL, NULL, NULL);
1125 if (ost->img_resample_ctx == NULL) {
1126 fprintf(stderr, "Cannot get resampling context\n");
1130 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1131 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1137 static void do_video_out(AVFormatContext *s,
1140 AVFrame *in_picture,
1141 int *frame_size, float quality)
1143 int nb_frames, i, ret, format_video_sync;
1144 AVFrame *final_picture;
1145 AVCodecContext *enc, *dec;
1148 enc = ost->st->codec;
1149 dec = ist->st->codec;
1151 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1153 /* by default, we output a single frame */
1158 format_video_sync = video_sync_method;
1159 if (format_video_sync < 0)
1160 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1162 if (format_video_sync) {
1163 double vdelta = sync_ipts - ost->sync_opts;
1164 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1167 else if (format_video_sync == 2) {
1170 }else if(vdelta>0.6)
1171 ost->sync_opts= lrintf(sync_ipts);
1172 }else if (vdelta > 1.1)
1173 nb_frames = lrintf(vdelta);
1174 //fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, get_sync_ipts(ost), nb_frames);
1175 if (nb_frames == 0){
1178 fprintf(stderr, "*** drop!\n");
1179 }else if (nb_frames > 1) {
1180 nb_frames_dup += nb_frames - 1;
1182 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1185 ost->sync_opts= lrintf(sync_ipts);
1187 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1191 do_video_resample(ost, ist, in_picture, &final_picture);
1193 /* duplicates frame if needed */
1194 for(i=0;i<nb_frames;i++) {
1196 av_init_packet(&pkt);
1197 pkt.stream_index= ost->index;
1199 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1200 /* raw pictures are written as AVPicture structure to
1201 avoid any copies. We support temorarily the older
1203 AVFrame* old_frame = enc->coded_frame;
1204 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1205 pkt.data= (uint8_t *)final_picture;
1206 pkt.size= sizeof(AVPicture);
1207 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1208 pkt.flags |= AV_PKT_FLAG_KEY;
1210 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1211 enc->coded_frame = old_frame;
1213 AVFrame big_picture;
1215 big_picture= *final_picture;
1216 /* better than nothing: use input picture interlaced
1218 big_picture.interlaced_frame = in_picture->interlaced_frame;
1219 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1220 if(top_field_first == -1)
1221 big_picture.top_field_first = in_picture->top_field_first;
1223 big_picture.top_field_first = top_field_first;
1226 /* handles same_quant here. This is not correct because it may
1227 not be a global option */
1228 big_picture.quality = quality;
1230 big_picture.pict_type = 0;
1231 // big_picture.pts = AV_NOPTS_VALUE;
1232 big_picture.pts= ost->sync_opts;
1233 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1234 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1235 if (ost->forced_kf_index < ost->forced_kf_count &&
1236 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1237 big_picture.pict_type = AV_PICTURE_TYPE_I;
1238 ost->forced_kf_index++;
1240 ret = avcodec_encode_video(enc,
1241 bit_buffer, bit_buffer_size,
1244 fprintf(stderr, "Video encoding failed\n");
1249 pkt.data= bit_buffer;
1251 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1252 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1253 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1254 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1255 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1257 if(enc->coded_frame->key_frame)
1258 pkt.flags |= AV_PKT_FLAG_KEY;
1259 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1262 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1263 // enc->frame_number-1, ret, enc->pict_type);
1264 /* if two pass, output log */
1265 if (ost->logfile && enc->stats_out) {
1266 fprintf(ost->logfile, "%s", enc->stats_out);
1271 ost->frame_number++;
1275 static double psnr(double d){
1276 return -10.0*log(d)/log(10.0);
1279 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1282 AVCodecContext *enc;
1284 double ti1, bitrate, avg_bitrate;
1286 /* this is executed just the first time do_video_stats is called */
1288 vstats_file = fopen(vstats_filename, "w");
1295 enc = ost->st->codec;
1296 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1297 frame_number = ost->frame_number;
1298 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1299 if (enc->flags&CODEC_FLAG_PSNR)
1300 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1302 fprintf(vstats_file,"f_size= %6d ", frame_size);
1303 /* compute pts value */
1304 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1308 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1309 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1310 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1311 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1312 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1316 static void print_report(OutputFile *output_files,
1317 OutputStream *ost_table, int nb_ostreams,
1322 AVFormatContext *oc;
1324 AVCodecContext *enc;
1325 int frame_number, vid, i;
1327 int64_t pts = INT64_MAX;
1328 static int64_t last_time = -1;
1329 static int qp_histogram[52];
1331 if (!is_last_report) {
1333 /* display the report every 0.5 seconds */
1334 cur_time = av_gettime();
1335 if (last_time == -1) {
1336 last_time = cur_time;
1339 if ((cur_time - last_time) < 500000)
1341 last_time = cur_time;
1345 oc = output_files[0].ctx;
1347 total_size = avio_size(oc->pb);
1348 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1349 total_size= avio_tell(oc->pb);
1353 for(i=0;i<nb_ostreams;i++) {
1355 ost = &ost_table[i];
1356 enc = ost->st->codec;
1357 if (!ost->st->stream_copy && enc->coded_frame)
1358 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1359 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1360 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1362 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1363 float t = (av_gettime()-timer_start) / 1000000.0;
1365 frame_number = ost->frame_number;
1366 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1367 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1369 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1373 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1376 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1378 if (enc->flags&CODEC_FLAG_PSNR){
1380 double error, error_sum=0;
1381 double scale, scale_sum=0;
1382 char type[3]= {'Y','U','V'};
1383 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1386 error= enc->error[j];
1387 scale= enc->width*enc->height*255.0*255.0*frame_number;
1389 error= enc->coded_frame->error[j];
1390 scale= enc->width*enc->height*255.0*255.0;
1395 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1397 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1401 /* compute min output value */
1402 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1403 ost->st->time_base, AV_TIME_BASE_Q));
1406 if (verbose > 0 || is_last_report) {
1407 int hours, mins, secs, us;
1408 secs = pts / AV_TIME_BASE;
1409 us = pts % AV_TIME_BASE;
1415 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1417 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1418 "size=%8.0fkB time=", total_size / 1024.0);
1419 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1420 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1421 (100 * us) / AV_TIME_BASE);
1422 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1423 "bitrate=%6.1fkbits/s", bitrate);
1425 if (nb_frames_dup || nb_frames_drop)
1426 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1427 nb_frames_dup, nb_frames_drop);
1430 fprintf(stderr, "%s \r", buf);
1435 if (is_last_report && verbose >= 0){
1436 int64_t raw= audio_size + video_size + extra_size;
1437 fprintf(stderr, "\n");
1438 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1442 100.0*(total_size - raw)/raw
1447 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1449 int fill_char = 0x00;
1450 if (sample_fmt == AV_SAMPLE_FMT_U8)
1452 memset(buf, fill_char, size);
1455 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1456 static int output_packet(InputStream *ist, int ist_index,
1457 OutputStream *ost_table, int nb_ostreams,
1458 const AVPacket *pkt)
1460 AVFormatContext *os;
1465 void *buffer_to_free = NULL;
1466 static unsigned int samples_size= 0;
1467 AVSubtitle subtitle, *subtitle_to_free;
1468 int64_t pkt_pts = AV_NOPTS_VALUE;
1470 int frame_available;
1475 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1477 if(ist->next_pts == AV_NOPTS_VALUE)
1478 ist->next_pts= ist->pts;
1482 av_init_packet(&avpkt);
1490 if(pkt->dts != AV_NOPTS_VALUE)
1491 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1492 if(pkt->pts != AV_NOPTS_VALUE)
1493 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1495 //while we have more to decode or while the decoder did output something on EOF
1496 while (avpkt.size > 0 || (!pkt && got_output)) {
1497 uint8_t *data_buf, *decoded_data_buf;
1498 int data_size, decoded_data_size;
1500 ist->pts= ist->next_pts;
1502 if(avpkt.size && avpkt.size != pkt->size &&
1503 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1504 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1505 ist->showed_multi_packet_warning=1;
1508 /* decode the packet if needed */
1509 decoded_data_buf = NULL; /* fail safe */
1510 decoded_data_size= 0;
1511 data_buf = avpkt.data;
1512 data_size = avpkt.size;
1513 subtitle_to_free = NULL;
1514 if (ist->decoding_needed) {
1515 switch(ist->st->codec->codec_type) {
1516 case AVMEDIA_TYPE_AUDIO:{
1517 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1518 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1520 samples= av_malloc(samples_size);
1522 decoded_data_size= samples_size;
1523 /* XXX: could avoid copy if PCM 16 bits with same
1524 endianness as CPU */
1525 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1532 got_output = decoded_data_size > 0;
1533 /* Some bug in mpeg audio decoder gives */
1534 /* decoded_data_size < 0, it seems they are overflows */
1536 /* no audio frame */
1539 decoded_data_buf = (uint8_t *)samples;
1540 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1541 (ist->st->codec->sample_rate * ist->st->codec->channels);
1543 case AVMEDIA_TYPE_VIDEO:
1544 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1545 /* XXX: allocate picture correctly */
1546 avcodec_get_frame_defaults(&picture);
1547 avpkt.pts = pkt_pts;
1548 avpkt.dts = ist->pts;
1549 pkt_pts = AV_NOPTS_VALUE;
1551 ret = avcodec_decode_video2(ist->st->codec,
1552 &picture, &got_output, &avpkt);
1553 quality = same_quant ? picture.quality : 0;
1557 /* no picture yet */
1558 goto discard_packet;
1560 ist->next_pts = ist->pts = picture.best_effort_timestamp;
1561 if (ist->st->codec->time_base.num != 0) {
1562 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1563 ist->next_pts += ((int64_t)AV_TIME_BASE *
1564 ist->st->codec->time_base.num * ticks) /
1565 ist->st->codec->time_base.den;
1568 buffer_to_free = NULL;
1569 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1571 case AVMEDIA_TYPE_SUBTITLE:
1572 ret = avcodec_decode_subtitle2(ist->st->codec,
1573 &subtitle, &got_output, &avpkt);
1577 goto discard_packet;
1579 subtitle_to_free = &subtitle;
1586 switch(ist->st->codec->codec_type) {
1587 case AVMEDIA_TYPE_AUDIO:
1588 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1589 ist->st->codec->sample_rate;
1591 case AVMEDIA_TYPE_VIDEO:
1592 if (ist->st->codec->time_base.num != 0) {
1593 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1594 ist->next_pts += ((int64_t)AV_TIME_BASE *
1595 ist->st->codec->time_base.num * ticks) /
1596 ist->st->codec->time_base.den;
1605 if(ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1606 if (start_time == 0 || ist->pts >= start_time) {
1607 for(i=0;i<nb_ostreams;i++) {
1608 ost = &ost_table[i];
1609 if (ost->input_video_filter && ost->source_index == ist_index) {
1610 if (!picture.sample_aspect_ratio.num)
1611 picture.sample_aspect_ratio = ist->st->sample_aspect_ratio;
1612 picture.pts = ist->pts;
1614 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, AV_VSRC_BUF_FLAG_OVERWRITE);
1620 // preprocess audio (volume)
1621 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1622 if (audio_volume != 256) {
1625 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1626 int v = ((*volp) * audio_volume + 128) >> 8;
1627 if (v < -32768) v = -32768;
1628 if (v > 32767) v = 32767;
1634 /* frame rate emulation */
1636 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1637 int64_t now = av_gettime() - ist->start;
1641 /* if output time reached then transcode raw format,
1642 encode packets and output them */
1643 if (start_time == 0 || ist->pts >= start_time)
1644 for(i=0;i<nb_ostreams;i++) {
1645 OutputFile *of = &output_files[ost_table[i].file_index];
1648 ost = &ost_table[i];
1649 if (ost->source_index != ist_index)
1652 if (of->recording_time != INT64_MAX &&
1653 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + start_time,
1654 (AVRational){1, 1000000}) >= 0) {
1655 ost->is_past_recording_time = 1;
1660 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1661 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1662 while (frame_available) {
1663 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter) {
1664 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
1665 if (av_vsink_buffer_get_video_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0)
1668 avfilter_fill_frame_from_video_buffer_ref(&picture, ost->picref);
1669 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1673 os = output_files[ost->file_index].ctx;
1675 /* set the input output pts pairs */
1676 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1678 if (ost->encoding_needed) {
1679 av_assert0(ist->decoding_needed);
1680 switch(ost->st->codec->codec_type) {
1681 case AVMEDIA_TYPE_AUDIO:
1682 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1684 case AVMEDIA_TYPE_VIDEO:
1686 if (ost->picref->video && !ost->frame_aspect_ratio)
1687 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
1689 do_video_out(os, ost, ist, &picture, &frame_size,
1690 same_quant ? quality : ost->st->codec->global_quality);
1691 if (vstats_filename && frame_size)
1692 do_video_stats(os, ost, frame_size);
1694 case AVMEDIA_TYPE_SUBTITLE:
1695 do_subtitle_out(os, ost, ist, &subtitle,
1702 AVFrame avframe; //FIXME/XXX remove this
1705 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1707 av_init_packet(&opkt);
1709 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1710 #if !CONFIG_AVFILTER
1716 /* no reencoding needed : output the packet directly */
1717 /* force the input stream PTS */
1719 avcodec_get_frame_defaults(&avframe);
1720 ost->st->codec->coded_frame= &avframe;
1721 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1723 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1724 audio_size += data_size;
1725 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1726 video_size += data_size;
1730 opkt.stream_index= ost->index;
1731 if(pkt->pts != AV_NOPTS_VALUE)
1732 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1734 opkt.pts= AV_NOPTS_VALUE;
1736 if (pkt->dts == AV_NOPTS_VALUE)
1737 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1739 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1740 opkt.dts -= ost_tb_start_time;
1742 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1743 opkt.flags= pkt->flags;
1745 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1746 if( ost->st->codec->codec_id != CODEC_ID_H264
1747 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1748 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1750 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1751 opkt.destruct= av_destruct_packet;
1753 opkt.data = data_buf;
1754 opkt.size = data_size;
1757 if (os->oformat->flags & AVFMT_RAWPICTURE) {
1758 /* store AVPicture in AVPacket, as expected by the output format */
1759 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1760 opkt.data = (uint8_t *)&pict;
1761 opkt.size = sizeof(AVPicture);
1762 opkt.flags |= AV_PKT_FLAG_KEY;
1764 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1765 ost->st->codec->frame_number++;
1766 ost->frame_number++;
1767 av_free_packet(&opkt);
1771 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1772 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1773 avfilter_unref_buffer(ost->picref);
1778 av_free(buffer_to_free);
1779 /* XXX: allocate the subtitles in the codec ? */
1780 if (subtitle_to_free) {
1781 avsubtitle_free(subtitle_to_free);
1782 subtitle_to_free = NULL;
1789 for(i=0;i<nb_ostreams;i++) {
1790 ost = &ost_table[i];
1791 if (ost->source_index == ist_index) {
1792 AVCodecContext *enc= ost->st->codec;
1793 os = output_files[ost->file_index].ctx;
1795 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1797 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1800 if (ost->encoding_needed) {
1804 av_init_packet(&pkt);
1805 pkt.stream_index= ost->index;
1807 switch(ost->st->codec->codec_type) {
1808 case AVMEDIA_TYPE_AUDIO:
1809 fifo_bytes = av_fifo_size(ost->fifo);
1811 /* encode any samples remaining in fifo */
1812 if (fifo_bytes > 0) {
1813 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1814 int fs_tmp = enc->frame_size;
1816 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1817 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1818 enc->frame_size = fifo_bytes / (osize * enc->channels);
1820 int frame_bytes = enc->frame_size*osize*enc->channels;
1821 if (allocated_audio_buf_size < frame_bytes)
1823 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1826 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1827 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1828 ost->st->time_base.num, enc->sample_rate);
1829 enc->frame_size = fs_tmp;
1832 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1835 fprintf(stderr, "Audio encoding failed\n");
1839 pkt.flags |= AV_PKT_FLAG_KEY;
1841 case AVMEDIA_TYPE_VIDEO:
1842 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1844 fprintf(stderr, "Video encoding failed\n");
1848 if(enc->coded_frame && enc->coded_frame->key_frame)
1849 pkt.flags |= AV_PKT_FLAG_KEY;
1850 if (ost->logfile && enc->stats_out) {
1851 fprintf(ost->logfile, "%s", enc->stats_out);
1860 pkt.data= bit_buffer;
1862 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1863 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1864 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1874 static void print_sdp(OutputFile *output_files, int n)
1878 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1882 for (i = 0; i < n; i++)
1883 avc[i] = output_files[i].ctx;
1885 av_sdp_create(avc, n, sdp, sizeof(sdp));
1886 printf("SDP:\n%s\n", sdp);
1892 * The following code is the main loop of the file converter
1894 static int transcode(OutputFile *output_files,
1895 int nb_output_files,
1896 InputFile *input_files,
1900 AVFormatContext *is, *os;
1901 AVCodecContext *codec, *icodec;
1908 int no_packet_count=0;
1910 if (!(no_packet = av_mallocz(nb_input_files)))
1914 for (i = 0; i < nb_input_streams; i++)
1915 input_streams[i].start = av_gettime();
1917 /* output stream init */
1918 for(i=0;i<nb_output_files;i++) {
1919 os = output_files[i].ctx;
1920 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1921 av_dump_format(os, i, os->filename, 1);
1922 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1923 ret = AVERROR(EINVAL);
1928 /* for each output stream, we compute the right encoding parameters */
1929 for (i = 0; i < nb_output_streams; i++) {
1930 ost = &output_streams[i];
1931 os = output_files[ost->file_index].ctx;
1932 ist = &input_streams[ost->source_index];
1934 codec = ost->st->codec;
1935 icodec = ist->st->codec;
1937 ost->st->disposition = ist->st->disposition;
1938 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1939 codec->chroma_sample_location = icodec->chroma_sample_location;
1941 if (ost->st->stream_copy) {
1942 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1944 if (extra_size > INT_MAX)
1947 /* if stream_copy is selected, no need to decode or encode */
1948 codec->codec_id = icodec->codec_id;
1949 codec->codec_type = icodec->codec_type;
1951 if(!codec->codec_tag){
1952 if( !os->oformat->codec_tag
1953 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1954 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1955 codec->codec_tag = icodec->codec_tag;
1958 codec->bit_rate = icodec->bit_rate;
1959 codec->rc_max_rate = icodec->rc_max_rate;
1960 codec->rc_buffer_size = icodec->rc_buffer_size;
1961 codec->extradata= av_mallocz(extra_size);
1962 if (!codec->extradata)
1964 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1965 codec->extradata_size= icodec->extradata_size;
1967 codec->time_base = ist->st->time_base;
1968 if(!strcmp(os->oformat->name, "avi")) {
1969 if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/500){
1970 codec->time_base = icodec->time_base;
1971 codec->time_base.num *= icodec->ticks_per_frame;
1972 codec->time_base.den *= 2;
1974 } else if(!(os->oformat->flags & AVFMT_VARIABLE_FPS)) {
1975 if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/500){
1976 codec->time_base = icodec->time_base;
1977 codec->time_base.num *= icodec->ticks_per_frame;
1980 av_reduce(&codec->time_base.num, &codec->time_base.den,
1981 codec->time_base.num, codec->time_base.den, INT_MAX);
1983 switch(codec->codec_type) {
1984 case AVMEDIA_TYPE_AUDIO:
1985 if(audio_volume != 256) {
1986 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1989 codec->channel_layout = icodec->channel_layout;
1990 codec->sample_rate = icodec->sample_rate;
1991 codec->channels = icodec->channels;
1992 codec->frame_size = icodec->frame_size;
1993 codec->audio_service_type = icodec->audio_service_type;
1994 codec->block_align= icodec->block_align;
1995 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1996 codec->block_align= 0;
1997 if(codec->codec_id == CODEC_ID_AC3)
1998 codec->block_align= 0;
2000 case AVMEDIA_TYPE_VIDEO:
2001 codec->pix_fmt = icodec->pix_fmt;
2002 codec->width = icodec->width;
2003 codec->height = icodec->height;
2004 codec->has_b_frames = icodec->has_b_frames;
2005 if (!codec->sample_aspect_ratio.num) {
2006 codec->sample_aspect_ratio =
2007 ost->st->sample_aspect_ratio =
2008 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2009 ist->st->codec->sample_aspect_ratio.num ?
2010 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2013 case AVMEDIA_TYPE_SUBTITLE:
2014 codec->width = icodec->width;
2015 codec->height = icodec->height;
2017 case AVMEDIA_TYPE_DATA:
2024 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2025 switch(codec->codec_type) {
2026 case AVMEDIA_TYPE_AUDIO:
2027 ost->fifo= av_fifo_alloc(1024);
2030 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2031 if (!codec->sample_rate) {
2032 codec->sample_rate = icodec->sample_rate;
2034 choose_sample_rate(ost->st, ost->enc);
2035 codec->time_base = (AVRational){1, codec->sample_rate};
2036 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2037 codec->sample_fmt = icodec->sample_fmt;
2038 choose_sample_fmt(ost->st, ost->enc);
2039 if (!codec->channels) {
2040 codec->channels = icodec->channels;
2041 codec->channel_layout = icodec->channel_layout;
2043 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2044 codec->channel_layout = 0;
2045 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2046 icodec->request_channels = codec->channels;
2047 ist->decoding_needed = 1;
2048 ost->encoding_needed = 1;
2049 ost->resample_sample_fmt = icodec->sample_fmt;
2050 ost->resample_sample_rate = icodec->sample_rate;
2051 ost->resample_channels = icodec->channels;
2053 case AVMEDIA_TYPE_VIDEO:
2054 if (codec->pix_fmt == PIX_FMT_NONE)
2055 codec->pix_fmt = icodec->pix_fmt;
2056 choose_pixel_fmt(ost->st, ost->enc);
2058 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2059 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2063 if (!codec->width || !codec->height) {
2064 codec->width = icodec->width;
2065 codec->height = icodec->height;
2068 ost->video_resample = codec->width != icodec->width ||
2069 codec->height != icodec->height ||
2070 codec->pix_fmt != icodec->pix_fmt;
2071 if (ost->video_resample) {
2072 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2075 ost->resample_height = icodec->height;
2076 ost->resample_width = icodec->width;
2077 ost->resample_pix_fmt= icodec->pix_fmt;
2078 ost->encoding_needed = 1;
2079 ist->decoding_needed = 1;
2081 if (!ost->frame_rate.num)
2082 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2083 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2084 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2085 ost->frame_rate = ost->enc->supported_framerates[idx];
2087 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2088 if( av_q2d(codec->time_base) < 0.001 && video_sync_method
2089 && (video_sync_method==1 || (video_sync_method<0 && !(os->oformat->flags & AVFMT_VARIABLE_FPS)))){
2090 av_log(os, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2091 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2095 if (configure_video_filters(ist, ost)) {
2096 fprintf(stderr, "Error opening filters!\n");
2101 case AVMEDIA_TYPE_SUBTITLE:
2102 ost->encoding_needed = 1;
2103 ist->decoding_needed = 1;
2110 if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
2111 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2112 char logfilename[1024];
2115 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2116 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2118 if (codec->flags & CODEC_FLAG_PASS1) {
2119 f = fopen(logfilename, "wb");
2121 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2127 size_t logbuffer_size;
2128 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2129 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2132 codec->stats_in = logbuffer;
2136 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2137 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
2138 int size= codec->width * codec->height;
2139 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 1664);
2144 bit_buffer = av_malloc(bit_buffer_size);
2146 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2148 ret = AVERROR(ENOMEM);
2152 /* open each encoder */
2153 for (i = 0; i < nb_output_streams; i++) {
2154 ost = &output_streams[i];
2155 if (ost->encoding_needed) {
2156 AVCodec *codec = ost->enc;
2157 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2159 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d.%d",
2160 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2161 ret = AVERROR(EINVAL);
2164 if (dec->subtitle_header) {
2165 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2166 if (!ost->st->codec->subtitle_header) {
2167 ret = AVERROR(ENOMEM);
2170 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2171 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2173 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2174 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2175 ost->file_index, ost->index);
2176 ret = AVERROR(EINVAL);
2179 assert_codec_experimental(ost->st->codec, 1);
2180 assert_avoptions(ost->opts);
2181 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2182 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2183 "It takes bits/s as argument, not kbits/s\n");
2184 extra_size += ost->st->codec->extradata_size;
2188 /* open each decoder */
2189 for (i = 0; i < nb_input_streams; i++) {
2190 ist = &input_streams[i];
2191 if (ist->decoding_needed) {
2192 AVCodec *codec = ist->dec;
2194 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2196 snprintf(error, sizeof(error), "Decoder (codec %s) not found for input stream #%d.%d",
2197 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
2198 ret = AVERROR(EINVAL);
2201 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2202 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2203 ist->file_index, ist->st->index);
2204 ret = AVERROR(EINVAL);
2207 assert_codec_experimental(ist->st->codec, 0);
2208 assert_avoptions(ost->opts);
2213 for (i = 0; i < nb_input_streams; i++) {
2215 ist = &input_streams[i];
2217 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2218 ist->next_pts = AV_NOPTS_VALUE;
2222 /* open files and write file headers */
2223 for (i = 0; i < nb_output_files; i++) {
2224 os = output_files[i].ctx;
2225 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2226 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2227 ret = AVERROR(EINVAL);
2230 // assert_avoptions(output_files[i].opts);
2231 if (strcmp(os->oformat->name, "rtp")) {
2237 /* dump the file output parameters - cannot be done before in case
2239 for(i=0;i<nb_output_files;i++) {
2240 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2243 /* dump the stream mapping */
2245 fprintf(stderr, "Stream mapping:\n");
2246 for (i = 0; i < nb_output_streams;i ++) {
2247 ost = &output_streams[i];
2248 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2249 input_streams[ost->source_index].file_index,
2250 input_streams[ost->source_index].st->index,
2253 if (ost->sync_ist != &input_streams[ost->source_index])
2254 fprintf(stderr, " [sync #%d.%d]",
2255 ost->sync_ist->file_index,
2256 ost->sync_ist->st->index);
2257 if(ost->encoding_needed)
2258 fprintf(stderr, ": %s -> %s",
2259 input_streams[ost->source_index].dec ?
2260 input_streams[ost->source_index].dec->name : "?",
2261 ost->enc ? ost->enc->name : "?");
2263 fprintf(stderr, ": copy");
2264 fprintf(stderr, "\n");
2269 fprintf(stderr, "%s\n", error);
2274 print_sdp(output_files, nb_output_files);
2279 fprintf(stderr, "Press [q] to stop, [?] for help\n");
2280 avio_set_interrupt_cb(decode_interrupt_cb);
2284 timer_start = av_gettime();
2286 for(; received_sigterm == 0;) {
2287 int file_index, ist_index;
2293 ipts_min= INT64_MAX;
2295 /* if 'q' pressed, exits */
2299 /* read_key() returns 0 on EOF */
2303 if (key == '+') verbose++;
2304 if (key == '-') verbose--;
2305 if (key == 's') qp_hist ^= 1;
2308 do_hex_dump = do_pkt_dump = 0;
2309 } else if(do_pkt_dump){
2313 av_log_set_level(AV_LOG_DEBUG);
2315 if (key == 'c' || key == 'C'){
2316 char ret[4096], target[64], cmd[256], arg[256]={0};
2318 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2319 if(scanf("%4095[^\n\r]%*c", ret) == 1 && sscanf(ret, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &ts, cmd, arg) >= 3){
2320 for(i=0;i<nb_output_streams;i++) {
2322 ost = &output_streams[i];
2325 r= avfilter_graph_send_command(ost->graph, target, cmd, arg, ret, sizeof(ret), key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2326 fprintf(stderr, "Command reply for %d: %d, %s\n", i, r, ret);
2328 r= avfilter_graph_queue_command(ost->graph, target, cmd, arg, 0, ts);
2333 fprintf(stderr, "Parse error\n");
2336 if (key == 'd' || key == 'D'){
2339 debug = input_streams[0].st->codec->debug<<1;
2340 if(!debug) debug = 1;
2341 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2344 scanf("%d", &debug);
2345 for(i=0;i<nb_input_streams;i++) {
2346 input_streams[i].st->codec->debug = debug;
2348 for(i=0;i<nb_output_streams;i++) {
2349 ost = &output_streams[i];
2350 ost->st->codec->debug = debug;
2352 if(debug) av_log_set_level(AV_LOG_DEBUG);
2353 fprintf(stderr,"debug=%d\n", debug);
2356 fprintf(stderr, "key function\n"
2357 "? show this help\n"
2358 "+ increase verbosity\n"
2359 "- decrease verbosity\n"
2360 "c Send command to filtergraph\n"
2361 "D cycle through available debug modes\n"
2362 "h dump packets/hex press to cycle through the 3 states\n"
2364 "s Show QP histogram\n"
2369 /* select the stream that we must read now by looking at the
2370 smallest output pts */
2372 for (i = 0; i < nb_output_streams; i++) {
2375 ost = &output_streams[i];
2376 os = output_files[ost->file_index].ctx;
2377 ist = &input_streams[ost->source_index];
2378 if(ost->is_past_recording_time || no_packet[ist->file_index])
2380 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2382 if (!input_files[ist->file_index].eof_reached){
2383 if(ipts < ipts_min) {
2385 if(input_sync ) file_index = ist->file_index;
2387 if(opts < opts_min) {
2389 if(!input_sync) file_index = ist->file_index;
2392 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2397 /* if none, if is finished */
2398 if (file_index < 0) {
2399 if(no_packet_count){
2401 memset(no_packet, 0, nb_input_files);
2408 /* finish if limit size exhausted */
2409 if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0].ctx->pb))
2412 /* read a frame from it and output it in the fifo */
2413 is = input_files[file_index].ctx;
2414 ret= av_read_frame(is, &pkt);
2415 if(ret == AVERROR(EAGAIN)){
2416 no_packet[file_index]=1;
2421 input_files[file_index].eof_reached = 1;
2429 memset(no_packet, 0, nb_input_files);
2432 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2433 is->streams[pkt.stream_index]);
2435 /* the following test is needed in case new streams appear
2436 dynamically in stream : we ignore them */
2437 if (pkt.stream_index >= input_files[file_index].nb_streams)
2438 goto discard_packet;
2439 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2440 ist = &input_streams[ist_index];
2442 goto discard_packet;
2444 if (pkt.dts != AV_NOPTS_VALUE)
2445 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2446 if (pkt.pts != AV_NOPTS_VALUE)
2447 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2449 if (ist->ts_scale) {
2450 if(pkt.pts != AV_NOPTS_VALUE)
2451 pkt.pts *= ist->ts_scale;
2452 if(pkt.dts != AV_NOPTS_VALUE)
2453 pkt.dts *= ist->ts_scale;
2456 // fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files[ist->file_index].ts_offset, ist->st->codec->codec_type);
2457 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2458 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2459 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2460 int64_t delta= pkt_dts - ist->next_pts;
2461 if((delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
2462 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
2463 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
2464 pkt_dts+1<ist->pts)&& !copy_ts){
2465 input_files[ist->file_index].ts_offset -= delta;
2467 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2468 delta, input_files[ist->file_index].ts_offset);
2469 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2470 if(pkt.pts != AV_NOPTS_VALUE)
2471 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2475 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2476 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2479 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2480 ist->file_index, ist->st->index);
2483 av_free_packet(&pkt);
2488 av_free_packet(&pkt);
2490 /* dump report by using the output first video and audio streams */
2491 print_report(output_files, output_streams, nb_output_streams, 0);
2494 /* at the end of stream, we must flush the decoder buffers */
2495 for (i = 0; i < nb_input_streams; i++) {
2496 ist = &input_streams[i];
2497 if (ist->decoding_needed) {
2498 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2504 /* write the trailer if needed and close file */
2505 for(i=0;i<nb_output_files;i++) {
2506 os = output_files[i].ctx;
2507 av_write_trailer(os);
2510 /* dump report by using the first video and audio streams */
2511 print_report(output_files, output_streams, nb_output_streams, 1);
2513 /* close each encoder */
2514 for (i = 0; i < nb_output_streams; i++) {
2515 ost = &output_streams[i];
2516 if (ost->encoding_needed) {
2517 av_freep(&ost->st->codec->stats_in);
2518 avcodec_close(ost->st->codec);
2521 avfilter_graph_free(&ost->graph);
2525 /* close each decoder */
2526 for (i = 0; i < nb_input_streams; i++) {
2527 ist = &input_streams[i];
2528 if (ist->decoding_needed) {
2529 avcodec_close(ist->st->codec);
2537 av_freep(&bit_buffer);
2538 av_freep(&no_packet);
2540 if (output_streams) {
2541 for (i = 0; i < nb_output_streams; i++) {
2542 ost = &output_streams[i];
2544 if (ost->st->stream_copy)
2545 av_freep(&ost->st->codec->extradata);
2547 fclose(ost->logfile);
2548 ost->logfile = NULL;
2550 av_fifo_free(ost->fifo); /* works even if fifo is not
2551 initialized but set to zero */
2552 av_freep(&ost->st->codec->subtitle_header);
2553 av_free(ost->resample_frame.data[0]);
2554 av_free(ost->forced_kf_pts);
2555 if (ost->video_resample)
2556 sws_freeContext(ost->img_resample_ctx);
2558 audio_resample_close(ost->resample);
2559 if (ost->reformat_ctx)
2560 av_audio_convert_free(ost->reformat_ctx);
2561 av_dict_free(&ost->opts);
2568 static int opt_format(const char *opt, const char *arg)
2570 last_asked_format = arg;
2574 static int opt_video_rc_override_string(const char *opt, const char *arg)
2576 video_rc_override_string = arg;
2580 static int opt_me_threshold(const char *opt, const char *arg)
2582 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2586 static int opt_verbose(const char *opt, const char *arg)
2588 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2592 static int opt_frame_rate(const char *opt, const char *arg)
2594 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2595 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2601 static int opt_frame_crop(const char *opt, const char *arg)
2603 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2604 return AVERROR(EINVAL);
2607 static int opt_frame_size(const char *opt, const char *arg)
2609 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2610 fprintf(stderr, "Incorrect frame size\n");
2611 return AVERROR(EINVAL);
2616 static int opt_pad(const char *opt, const char *arg) {
2617 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2621 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2623 if (strcmp(arg, "list")) {
2624 frame_pix_fmt = av_get_pix_fmt(arg);
2625 if (frame_pix_fmt == PIX_FMT_NONE) {
2626 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2627 return AVERROR(EINVAL);
2630 opt_pix_fmts(NULL, NULL);
2636 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2643 p = strchr(arg, ':');
2645 x = strtol(arg, &end, 10);
2647 y = strtol(end+1, &end, 10);
2649 ar = (double)x / (double)y;
2651 ar = strtod(arg, NULL);
2654 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2655 return AVERROR(EINVAL);
2657 frame_aspect_ratio = ar;
2661 static int opt_metadata(const char *opt, const char *arg)
2663 char *mid= strchr(arg, '=');
2666 fprintf(stderr, "Missing =\n");
2671 av_dict_set(&metadata, arg, mid, 0);
2676 static int opt_qscale(const char *opt, const char *arg)
2678 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2679 if (video_qscale <= 0 || video_qscale > 255) {
2680 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2681 return AVERROR(EINVAL);
2686 static int opt_top_field_first(const char *opt, const char *arg)
2688 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2689 return opt_default(opt, arg);
2692 static int opt_thread_count(const char *opt, const char *arg)
2694 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2697 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2702 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2704 if (strcmp(arg, "list")) {
2705 audio_sample_fmt = av_get_sample_fmt(arg);
2706 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2707 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2708 return AVERROR(EINVAL);
2713 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2714 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2720 static int opt_audio_rate(const char *opt, const char *arg)
2722 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2726 static int opt_audio_channels(const char *opt, const char *arg)
2728 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2732 static int opt_video_channel(const char *opt, const char *arg)
2734 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
2735 return opt_default("channel", arg);
2738 static int opt_video_standard(const char *opt, const char *arg)
2740 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
2741 return opt_default("standard", arg);
2744 static int opt_codec(const char *opt, const char *arg)
2746 return av_dict_set(&codec_names, opt, arg, 0);
2749 static int opt_audio_codec(const char *opt, const char *arg)
2751 return opt_codec("codec:a", arg);
2754 static int opt_video_codec(const char *opt, const char *arg)
2756 return opt_codec("codec:v", arg);
2759 static int opt_subtitle_codec(const char *opt, const char *arg)
2761 return opt_codec("codec:s", arg);
2764 static int opt_data_codec(const char *opt, const char *arg)
2766 return opt_codec("codec:d", arg);
2769 static int opt_codec_tag(const char *opt, const char *arg)
2772 uint32_t *codec_tag;
2774 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2775 !strcmp(opt, "vtag") ? &video_codec_tag :
2776 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2780 *codec_tag = strtol(arg, &tail, 0);
2782 *codec_tag = AV_RL32(arg);
2787 static int opt_map(const char *opt, const char *arg)
2789 StreamMap *m = NULL;
2790 int i, negative = 0, file_idx;
2791 int sync_file_idx = -1, sync_stream_idx;
2799 map = av_strdup(arg);
2801 /* parse sync stream first, just pick first matching stream */
2802 if (sync = strchr(map, ',')) {
2804 sync_file_idx = strtol(sync + 1, &sync, 0);
2805 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2806 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2811 for (i = 0; i < input_files[sync_file_idx].ctx->nb_streams; i++)
2812 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2813 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2814 sync_stream_idx = i;
2817 if (i == input_files[sync_file_idx].ctx->nb_streams) {
2818 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2819 "match any streams.\n", arg);
2825 file_idx = strtol(map, &p, 0);
2826 if (file_idx >= nb_input_files || file_idx < 0) {
2827 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2831 /* disable some already defined maps */
2832 for (i = 0; i < nb_stream_maps; i++) {
2833 m = &stream_maps[i];
2834 if (check_stream_specifier(input_files[m->file_index].ctx,
2835 input_files[m->file_index].ctx->streams[m->stream_index],
2836 *p == ':' ? p + 1 : p) > 0)
2840 for (i = 0; i < input_files[file_idx].ctx->nb_streams; i++) {
2841 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2842 *p == ':' ? p + 1 : p) <= 0)
2844 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2845 m = &stream_maps[nb_stream_maps - 1];
2847 m->file_index = file_idx;
2848 m->stream_index = i;
2850 if (sync_file_idx >= 0) {
2851 m->sync_file_index = sync_file_idx;
2852 m->sync_stream_index = sync_stream_idx;
2854 m->sync_file_index = file_idx;
2855 m->sync_stream_index = i;
2860 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2868 static void parse_meta_type(char *arg, char *type, int *index)
2878 if (*(++arg) == ':')
2879 *index = strtol(++arg, NULL, 0);
2882 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2889 static int opt_map_metadata(const char *opt, const char *arg)
2891 MetadataMap *m, *m1;
2894 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2895 &nb_meta_data_maps, nb_meta_data_maps + 1);
2897 m = &meta_data_maps[nb_meta_data_maps - 1][1];
2898 m->file = strtol(arg, &p, 0);
2899 parse_meta_type(p, &m->type, &m->index);
2901 m1 = &meta_data_maps[nb_meta_data_maps - 1][0];
2902 if (p = strchr(opt, ':'))
2903 parse_meta_type(p, &m1->type, &m1->index);
2907 if (m->type == 'g' || m1->type == 'g')
2908 metadata_global_autocopy = 0;
2909 if (m->type == 's' || m1->type == 's')
2910 metadata_streams_autocopy = 0;
2911 if (m->type == 'c' || m1->type == 'c')
2912 metadata_chapters_autocopy = 0;
2917 static int opt_map_meta_data(const char *opt, const char *arg)
2919 fprintf(stderr, "-map_meta_data is deprecated and will be removed soon. "
2920 "Use -map_metadata instead.\n");
2921 return opt_map_metadata(opt, arg);
2924 static int opt_input_ts_scale(const char *opt, const char *arg)
2926 return av_dict_set(&ts_scale, opt, arg, 0);
2929 static int opt_recording_time(const char *opt, const char *arg)
2931 recording_time = parse_time_or_die(opt, arg, 1);
2935 static int opt_start_time(const char *opt, const char *arg)
2937 start_time = parse_time_or_die(opt, arg, 1);
2941 static int opt_recording_timestamp(const char *opt, const char *arg)
2944 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
2945 struct tm time = *gmtime((time_t*)&recording_timestamp);
2946 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
2947 opt_metadata("metadata", buf);
2949 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
2950 "tag instead.\n", opt);
2954 static int opt_input_ts_offset(const char *opt, const char *arg)
2956 input_ts_offset = parse_time_or_die(opt, arg, 1);
2960 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2962 const char *codec_string = encoder ? "encoder" : "decoder";
2966 return CODEC_ID_NONE;
2968 avcodec_find_encoder_by_name(name) :
2969 avcodec_find_decoder_by_name(name);
2971 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2974 if(codec->type != type) {
2975 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2981 static AVCodec *choose_codec(AVFormatContext *s, AVStream *st, enum AVMediaType type, AVDictionary *codec_names)
2983 AVDictionaryEntry *e = NULL;
2984 char *codec_name = NULL;
2987 while (e = av_dict_get(codec_names, "", e, AV_DICT_IGNORE_SUFFIX)) {
2988 char *p = strchr(e->key, ':');
2990 if ((ret = check_stream_specifier(s, st, p ? p + 1 : "")) > 0)
2991 codec_name = e->value;
2998 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2999 return avcodec_find_encoder(st->codec->codec_id);
3001 } else if (!strcmp(codec_name, "copy"))
3002 st->stream_copy = 1;
3004 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
3005 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
3006 avcodec_find_decoder_by_name(codec_name);
3013 * Add all the streams from the given input file to the global
3014 * list of input streams.
3016 static void add_input_streams(AVFormatContext *ic)
3018 int i, rfps, rfps_base, ret;
3020 for (i = 0; i < ic->nb_streams; i++) {
3021 AVStream *st = ic->streams[i];
3022 AVCodecContext *dec = st->codec;
3023 AVDictionaryEntry *e = NULL;
3027 dec->thread_count = thread_count;
3029 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3030 ist = &input_streams[nb_input_streams - 1];
3032 ist->file_index = nb_input_files;
3034 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
3036 while (e = av_dict_get(ts_scale, "", e, AV_DICT_IGNORE_SUFFIX)) {
3037 char *p = strchr(e->key, ':');
3039 if ((ret = check_stream_specifier(ic, st, p ? p + 1 : "")) > 0)
3045 ist->ts_scale = strtod(scale, NULL);
3047 ist->dec = choose_codec(ic, st, dec->codec_type, codec_names);
3049 switch (dec->codec_type) {
3050 case AVMEDIA_TYPE_AUDIO:
3052 ist->dec = avcodec_find_decoder(dec->codec_id);
3054 st->discard= AVDISCARD_ALL;
3056 case AVMEDIA_TYPE_VIDEO:
3058 ist->dec = avcodec_find_decoder(dec->codec_id);
3059 rfps = ic->streams[i]->r_frame_rate.num;
3060 rfps_base = ic->streams[i]->r_frame_rate.den;
3062 dec->flags |= CODEC_FLAG_EMU_EDGE;
3065 dec->debug |= FF_DEBUG_MV;
3067 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3070 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3071 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3073 (float)rfps / rfps_base, rfps, rfps_base);
3077 st->discard= AVDISCARD_ALL;
3078 else if(video_discard)
3079 st->discard= video_discard;
3081 case AVMEDIA_TYPE_DATA:
3083 case AVMEDIA_TYPE_SUBTITLE:
3085 ist->dec = avcodec_find_decoder(dec->codec_id);
3086 if(subtitle_disable)
3087 st->discard = AVDISCARD_ALL;
3089 case AVMEDIA_TYPE_ATTACHMENT:
3090 case AVMEDIA_TYPE_UNKNOWN:
3098 static int opt_input_file(const char *opt, const char *filename)
3100 AVFormatContext *ic;
3101 AVInputFormat *file_iformat = NULL;
3105 AVDictionary **opts;
3106 int orig_nb_streams; // number of streams before avformat_find_stream_info
3108 if (last_asked_format) {
3109 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3110 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3113 last_asked_format = NULL;
3116 if (!strcmp(filename, "-"))
3119 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3120 !strcmp(filename, "/dev/stdin");
3122 /* get default parameters from command line */
3123 ic = avformat_alloc_context();
3125 print_error(filename, AVERROR(ENOMEM));
3128 if (audio_sample_rate) {
3129 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
3130 av_dict_set(&format_opts, "sample_rate", buf, 0);
3132 if (audio_channels) {
3133 snprintf(buf, sizeof(buf), "%d", audio_channels);
3134 av_dict_set(&format_opts, "channels", buf, 0);
3136 if (frame_rate.num) {
3137 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
3138 av_dict_set(&format_opts, "framerate", buf, 0);
3140 if (frame_width && frame_height) {
3141 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
3142 av_dict_set(&format_opts, "video_size", buf, 0);
3144 if (frame_pix_fmt != PIX_FMT_NONE)
3145 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
3147 ic->flags |= AVFMT_FLAG_NONBLOCK;
3150 av_log(NULL, AV_LOG_WARNING, "-loop_input is deprecated, use -loop 1\n");
3151 ic->loop_input = loop_input;
3154 /* open the input file with generic libav function */
3155 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3157 print_error(filename, err);
3160 assert_avoptions(format_opts);
3165 for(i=0; i<ic->nb_streams; i++){
3166 ic->streams[i]->discard= AVDISCARD_ALL;
3168 for(i=0; i<ic->nb_programs; i++){
3169 AVProgram *p= ic->programs[i];
3170 if(p->id != opt_programid){
3171 p->discard = AVDISCARD_ALL;
3174 for(j=0; j<p->nb_stream_indexes; j++){
3175 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3180 fprintf(stderr, "Specified program id not found\n");
3186 /* apply forced codec ids */
3187 for (i = 0; i < ic->nb_streams; i++)
3188 choose_codec(ic, ic->streams[i], ic->streams[i]->codec->codec_type, codec_names);
3190 /* Set AVCodecContext options for avformat_find_stream_info */
3191 opts = setup_find_stream_info_opts(ic, codec_opts);
3192 orig_nb_streams = ic->nb_streams;
3194 /* If not enough info to get the stream parameters, we decode the
3195 first frames to get it. (used in mpeg case for example) */
3196 ret = avformat_find_stream_info(ic, opts);
3197 if (ret < 0 && verbose >= 0) {
3198 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3199 av_close_input_file(ic);
3203 timestamp = start_time;
3204 /* add the stream start time */
3205 if (ic->start_time != AV_NOPTS_VALUE)
3206 timestamp += ic->start_time;
3208 /* if seeking requested, we execute it */
3209 if (start_time != 0) {
3210 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3212 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3213 filename, (double)timestamp / AV_TIME_BASE);
3215 /* reset seek info */
3219 /* update the current parameters so that they match the one of the input stream */
3220 add_input_streams(ic);
3222 /* dump the file content */
3224 av_dump_format(ic, nb_input_files, filename, 0);
3226 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3227 input_files[nb_input_files - 1].ctx = ic;
3228 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3229 input_files[nb_input_files - 1].ts_offset = input_ts_offset - (copy_ts ? 0 : timestamp);
3230 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3232 top_field_first = -1;
3233 frame_rate = (AVRational){0, 0};
3234 frame_pix_fmt = PIX_FMT_NONE;
3237 audio_sample_rate = 0;
3239 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3240 av_dict_free(&ts_scale);
3242 for (i = 0; i < orig_nb_streams; i++)
3243 av_dict_free(&opts[i]);
3245 av_dict_free(&codec_names);
3251 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3252 AVCodecContext *avctx)
3258 for (p = kf; *p; p++)
3261 ost->forced_kf_count = n;
3262 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3263 if (!ost->forced_kf_pts) {
3264 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3267 for (i = 0; i < n; i++) {
3268 p = i ? strchr(p, ',') + 1 : kf;
3269 t = parse_time_or_die("force_key_frames", p, 1);
3270 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3274 static OutputStream *new_output_stream(AVFormatContext *oc, enum AVMediaType type)
3277 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3278 int idx = oc->nb_streams - 1;
3281 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3285 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3286 nb_output_streams + 1);
3287 ost = &output_streams[nb_output_streams - 1];
3288 ost->file_index = nb_output_files;
3291 st->codec->codec_type = type;
3292 ost->enc = choose_codec(oc, st, type, codec_names);
3294 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3297 avcodec_get_context_defaults3(st->codec, ost->enc);
3298 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3300 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3304 static OutputStream *new_video_stream(AVFormatContext *oc)
3308 AVCodecContext *video_enc;
3310 ost = new_output_stream(oc, AVMEDIA_TYPE_VIDEO);
3312 if (!st->stream_copy) {
3313 ost->frame_aspect_ratio = frame_aspect_ratio;
3314 frame_aspect_ratio = 0;
3316 ost->avfilter = vfilters;
3321 ost->bitstream_filters = video_bitstream_filters;
3322 video_bitstream_filters= NULL;
3324 st->codec->thread_count= thread_count;
3326 video_enc = st->codec;
3329 video_enc->codec_tag= video_codec_tag;
3331 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3332 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3335 if (st->stream_copy) {
3336 video_enc->sample_aspect_ratio =
3337 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3343 ost->frame_rate = frame_rate;
3345 video_enc->width = frame_width;
3346 video_enc->height = frame_height;
3347 video_enc->pix_fmt = frame_pix_fmt;
3348 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3349 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3352 video_enc->gop_size = 0;
3353 if (video_qscale || same_quant) {
3354 video_enc->flags |= CODEC_FLAG_QSCALE;
3355 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3359 video_enc->intra_matrix = intra_matrix;
3361 video_enc->inter_matrix = inter_matrix;
3363 p= video_rc_override_string;
3366 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3368 fprintf(stderr, "error parsing rc_override\n");
3371 video_enc->rc_override=
3372 av_realloc(video_enc->rc_override,
3373 sizeof(RcOverride)*(i+1));
3374 video_enc->rc_override[i].start_frame= start;
3375 video_enc->rc_override[i].end_frame = end;
3377 video_enc->rc_override[i].qscale= q;
3378 video_enc->rc_override[i].quality_factor= 1.0;
3381 video_enc->rc_override[i].qscale= 0;
3382 video_enc->rc_override[i].quality_factor= -q/100.0;
3387 video_enc->rc_override_count=i;
3388 if (!video_enc->rc_initial_buffer_occupancy)
3389 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3390 video_enc->me_threshold= me_threshold;
3391 video_enc->intra_dc_precision= intra_dc_precision - 8;
3394 video_enc->flags|= CODEC_FLAG_PSNR;
3399 video_enc->flags |= CODEC_FLAG_PASS1;
3401 video_enc->flags |= CODEC_FLAG_PASS2;
3405 if (forced_key_frames)
3406 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3408 if (video_language) {
3409 av_dict_set(&st->metadata, "language", video_language, 0);
3410 av_freep(&video_language);
3413 /* reset some key parameters */
3415 av_freep(&forced_key_frames);
3416 frame_pix_fmt = PIX_FMT_NONE;
3420 static OutputStream *new_audio_stream(AVFormatContext *oc)
3424 AVCodecContext *audio_enc;
3426 ost = new_output_stream(oc, AVMEDIA_TYPE_AUDIO);
3429 ost->bitstream_filters = audio_bitstream_filters;
3430 audio_bitstream_filters= NULL;
3432 st->codec->thread_count= thread_count;
3434 audio_enc = st->codec;
3435 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3438 audio_enc->codec_tag= audio_codec_tag;
3440 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3441 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3443 if (!st->stream_copy) {
3444 if (audio_qscale > QSCALE_NONE) {
3445 audio_enc->flags |= CODEC_FLAG_QSCALE;
3446 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3449 audio_enc->channels = audio_channels;
3450 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3451 audio_enc->sample_fmt = audio_sample_fmt;
3452 if (audio_sample_rate)
3453 audio_enc->sample_rate = audio_sample_rate;
3455 if (audio_language) {
3456 av_dict_set(&st->metadata, "language", audio_language, 0);
3457 av_freep(&audio_language);
3460 /* reset some key parameters */
3466 static OutputStream *new_data_stream(AVFormatContext *oc)
3470 AVCodecContext *data_enc;
3472 ost = new_output_stream(oc, AVMEDIA_TYPE_DATA);
3474 data_enc = st->codec;
3475 if (!st->stream_copy) {
3476 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3481 data_enc->codec_tag= data_codec_tag;
3483 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3484 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3491 static OutputStream *new_subtitle_stream(AVFormatContext *oc)
3495 AVCodecContext *subtitle_enc;
3497 ost = new_output_stream(oc, AVMEDIA_TYPE_SUBTITLE);
3499 subtitle_enc = st->codec;
3501 ost->bitstream_filters = subtitle_bitstream_filters;
3502 subtitle_bitstream_filters= NULL;
3504 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3506 if(subtitle_codec_tag)
3507 subtitle_enc->codec_tag= subtitle_codec_tag;
3509 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3510 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3513 if (subtitle_language) {
3514 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3515 av_freep(&subtitle_language);
3518 subtitle_disable = 0;
3522 /* arg format is "output-stream-index:streamid-value". */
3523 static int opt_streamid(const char *opt, const char *arg)
3529 av_strlcpy(idx_str, arg, sizeof(idx_str));
3530 p = strchr(idx_str, ':');
3533 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3538 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3539 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3540 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3543 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
3546 AVFormatContext *ic = NULL;
3548 err = avformat_open_input(&ic, filename, NULL, NULL);
3551 /* copy stream format */
3552 for(i=0;i<ic->nb_streams;i++) {
3557 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3558 ost = new_output_stream(s, codec->type);
3561 // FIXME: a more elegant solution is needed
3562 memcpy(st, ic->streams[i], sizeof(AVStream));
3563 st->info = av_malloc(sizeof(*st->info));
3564 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
3565 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3567 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3568 choose_sample_fmt(st, codec);
3569 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3570 choose_pixel_fmt(st, codec);
3573 av_close_input_file(ic);
3578 static int copy_chapters(int infile, int outfile)
3580 AVFormatContext *is = input_files[infile].ctx;
3581 AVFormatContext *os = output_files[outfile].ctx;
3584 for (i = 0; i < is->nb_chapters; i++) {
3585 AVChapter *in_ch = is->chapters[i], *out_ch;
3586 int64_t ts_off = av_rescale_q(start_time - input_files[infile].ts_offset,
3587 AV_TIME_BASE_Q, in_ch->time_base);
3588 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
3589 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3592 if (in_ch->end < ts_off)
3594 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3597 out_ch = av_mallocz(sizeof(AVChapter));
3599 return AVERROR(ENOMEM);
3601 out_ch->id = in_ch->id;
3602 out_ch->time_base = in_ch->time_base;
3603 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3604 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3606 if (metadata_chapters_autocopy)
3607 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3610 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3612 return AVERROR(ENOMEM);
3613 os->chapters[os->nb_chapters - 1] = out_ch;
3618 static int opt_output_file(const char *opt, const char *filename)
3620 AVFormatContext *oc;
3622 AVOutputFormat *file_oformat;
3626 if (!strcmp(filename, "-"))
3629 err = avformat_alloc_output_context2(&oc, NULL, last_asked_format, filename);
3630 last_asked_format = NULL;
3632 print_error(filename, err);
3635 file_oformat= oc->oformat;
3637 if (!strcmp(file_oformat->name, "ffm") &&
3638 av_strstart(filename, "http:", NULL)) {
3639 /* special case for files sent to ffserver: we get the stream
3640 parameters from ffserver */
3641 int err = read_ffserver_streams(oc, filename);
3643 print_error(filename, err);
3646 } else if (!nb_stream_maps) {
3647 /* pick the "best" stream of each type */
3648 #define NEW_STREAM(type, index)\
3650 ost = new_ ## type ## _stream(oc);\
3651 ost->source_index = index;\
3652 ost->sync_ist = &input_streams[index];\
3653 input_streams[index].discard = 0;\
3656 /* video: highest resolution */
3657 if (!video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3658 int area = 0, idx = -1;
3659 for (i = 0; i < nb_input_streams; i++) {
3660 ist = &input_streams[i];
3661 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3662 ist->st->codec->width * ist->st->codec->height > area) {
3663 area = ist->st->codec->width * ist->st->codec->height;
3667 NEW_STREAM(video, idx);
3670 /* audio: most channels */
3671 if (!audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3672 int channels = 0, idx = -1;
3673 for (i = 0; i < nb_input_streams; i++) {
3674 ist = &input_streams[i];
3675 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3676 ist->st->codec->channels > channels) {
3677 channels = ist->st->codec->channels;
3681 NEW_STREAM(audio, idx);
3684 /* subtitles: pick first */
3685 if (!subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3686 for (i = 0; i < nb_input_streams; i++)
3687 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3688 NEW_STREAM(subtitle, i);
3692 /* do something with data? */
3694 for (i = 0; i < nb_stream_maps; i++) {
3695 StreamMap *map = &stream_maps[i];
3700 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3701 switch (ist->st->codec->codec_type) {
3702 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(oc); break;
3703 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(oc); break;
3704 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(oc); break;
3705 case AVMEDIA_TYPE_DATA: ost = new_data_stream(oc); break;
3707 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3708 map->file_index, map->stream_index);
3712 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3713 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3714 map->sync_stream_index];
3719 av_dict_copy(&oc->metadata, metadata, 0);
3720 av_dict_free(&metadata);
3723 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3724 output_files[nb_output_files - 1].ctx = oc;
3725 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3726 output_files[nb_output_files - 1].recording_time = recording_time;
3727 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3729 /* check filename in case of an image number is expected */
3730 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3731 if (!av_filename_number_test(oc->filename)) {
3732 print_error(oc->filename, AVERROR(EINVAL));
3737 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3738 /* test if it already exists to avoid loosing precious files */
3739 if (!file_overwrite &&
3740 (strchr(filename, ':') == NULL ||
3741 filename[1] == ':' ||
3742 av_strstart(filename, "file:", NULL))) {
3743 if (avio_check(filename, 0) == 0) {
3745 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3747 if (!read_yesno()) {
3748 fprintf(stderr, "Not overwriting - exiting\n");
3753 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3760 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3761 print_error(filename, err);
3766 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3767 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3769 if (loop_output >= 0) {
3770 av_log(NULL, AV_LOG_WARNING, "-loop_output is deprecated, use -loop\n");
3771 oc->loop_output = loop_output;
3775 if (chapters_input_file >= nb_input_files) {
3776 if (chapters_input_file == INT_MAX) {
3777 /* copy chapters from the first input file that has them*/
3778 chapters_input_file = -1;
3779 for (i = 0; i < nb_input_files; i++)
3780 if (input_files[i].ctx->nb_chapters) {
3781 chapters_input_file = i;
3785 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3786 chapters_input_file);
3790 if (chapters_input_file >= 0)
3791 copy_chapters(chapters_input_file, nb_output_files - 1);
3794 for (i = 0; i < nb_meta_data_maps; i++) {
3795 AVFormatContext *files[2];
3796 AVDictionary **meta[2];
3799 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3800 if ((index) < 0 || (index) >= (nb_elems)) {\
3801 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3806 int in_file_index = meta_data_maps[i][1].file;
3807 if (in_file_index < 0)
3809 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3812 files[1] = input_files[in_file_index].ctx;
3814 for (j = 0; j < 2; j++) {
3815 MetadataMap *map = &meta_data_maps[i][j];
3817 switch (map->type) {
3819 meta[j] = &files[j]->metadata;
3822 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3823 meta[j] = &files[j]->streams[map->index]->metadata;
3826 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3827 meta[j] = &files[j]->chapters[map->index]->metadata;
3830 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3831 meta[j] = &files[j]->programs[map->index]->metadata;
3836 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3839 /* copy global metadata by default */
3840 if (metadata_global_autocopy && nb_input_files)
3841 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3842 AV_DICT_DONT_OVERWRITE);
3843 if (metadata_streams_autocopy)
3844 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3845 InputStream *ist = &input_streams[output_streams[i].source_index];
3846 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3849 frame_rate = (AVRational){0, 0};
3852 audio_sample_rate = 0;
3854 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3855 chapters_input_file = INT_MAX;
3856 recording_time = INT64_MAX;
3858 av_freep(&meta_data_maps);
3859 nb_meta_data_maps = 0;
3860 metadata_global_autocopy = 1;
3861 metadata_streams_autocopy = 1;
3862 metadata_chapters_autocopy = 1;
3863 av_freep(&stream_maps);
3866 av_dict_free(&codec_names);
3868 av_freep(&forced_key_frames);
3874 /* same option as mencoder */
3875 static int opt_pass(const char *opt, const char *arg)
3877 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3881 static int64_t getutime(void)
3884 struct rusage rusage;
3886 getrusage(RUSAGE_SELF, &rusage);
3887 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3888 #elif HAVE_GETPROCESSTIMES
3890 FILETIME c, e, k, u;
3891 proc = GetCurrentProcess();
3892 GetProcessTimes(proc, &c, &e, &k, &u);
3893 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3895 return av_gettime();
3899 static int64_t getmaxrss(void)
3901 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3902 struct rusage rusage;
3903 getrusage(RUSAGE_SELF, &rusage);
3904 return (int64_t)rusage.ru_maxrss * 1024;
3905 #elif HAVE_GETPROCESSMEMORYINFO
3907 PROCESS_MEMORY_COUNTERS memcounters;
3908 proc = GetCurrentProcess();
3909 memcounters.cb = sizeof(memcounters);
3910 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3911 return memcounters.PeakPagefileUsage;
3917 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3920 const char *p = str;
3927 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3934 static int opt_inter_matrix(const char *opt, const char *arg)
3936 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3937 parse_matrix_coeffs(inter_matrix, arg);
3941 static int opt_intra_matrix(const char *opt, const char *arg)
3943 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3944 parse_matrix_coeffs(intra_matrix, arg);
3948 static void show_usage(void)
3950 printf("Hyper fast Audio and Video encoder\n");
3951 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3955 static int opt_help(const char *opt, const char *arg)
3958 AVOutputFormat *oformat = NULL;
3959 AVInputFormat *iformat = NULL;
3961 av_log_set_callback(log_callback_help);
3963 show_help_options(options, "Main options:\n",
3964 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3965 show_help_options(options, "\nAdvanced options:\n",
3966 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3968 show_help_options(options, "\nVideo options:\n",
3969 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3971 show_help_options(options, "\nAdvanced Video options:\n",
3972 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3973 OPT_VIDEO | OPT_EXPERT);
3974 show_help_options(options, "\nAudio options:\n",
3975 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3977 show_help_options(options, "\nAdvanced Audio options:\n",
3978 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3979 OPT_AUDIO | OPT_EXPERT);
3980 show_help_options(options, "\nSubtitle options:\n",
3981 OPT_SUBTITLE | OPT_GRAB,
3983 show_help_options(options, "\nAudio/Video grab options:\n",
3987 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3990 /* individual codec options */
3992 while ((c = av_codec_next(c))) {
3993 if (c->priv_class) {
3994 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3999 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4002 /* individual muxer options */
4003 while ((oformat = av_oformat_next(oformat))) {
4004 if (oformat->priv_class) {
4005 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
4010 /* individual demuxer options */
4011 while ((iformat = av_iformat_next(iformat))) {
4012 if (iformat->priv_class) {
4013 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
4018 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4022 static int opt_target(const char *opt, const char *arg)
4024 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4025 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
4027 if(!strncmp(arg, "pal-", 4)) {
4030 } else if(!strncmp(arg, "ntsc-", 5)) {
4033 } else if(!strncmp(arg, "film-", 5)) {
4038 /* Calculate FR via float to avoid int overflow */
4039 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
4042 } else if((fr == 29970) || (fr == 23976)) {
4045 /* Try to determine PAL/NTSC by peeking in the input files */
4046 if(nb_input_files) {
4048 for (j = 0; j < nb_input_files; j++) {
4049 for (i = 0; i < input_files[j].ctx->nb_streams; i++) {
4050 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4051 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
4053 fr = c->time_base.den * 1000 / c->time_base.num;
4057 } else if((fr == 29970) || (fr == 23976)) {
4067 if(verbose > 0 && norm != UNKNOWN)
4068 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4071 if(norm == UNKNOWN) {
4072 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4073 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4074 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
4078 if(!strcmp(arg, "vcd")) {
4079 opt_codec("c:v", "mpeg1video");
4080 opt_codec("c:a", "mp2");
4081 opt_format("f", "vcd");
4083 opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
4084 opt_frame_rate("r", frame_rates[norm]);
4085 opt_default("g", norm == PAL ? "15" : "18");
4087 opt_default("b", "1150000");
4088 opt_default("maxrate", "1150000");
4089 opt_default("minrate", "1150000");
4090 opt_default("bufsize", "327680"); // 40*1024*8;
4092 opt_default("b:a", "224000");
4093 audio_sample_rate = 44100;
4096 opt_default("packetsize", "2324");
4097 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4099 /* We have to offset the PTS, so that it is consistent with the SCR.
4100 SCR starts at 36000, but the first two packs contain only padding
4101 and the first pack from the other stream, respectively, may also have
4102 been written before.
4103 So the real data starts at SCR 36000+3*1200. */
4104 mux_preload= (36000+3*1200) / 90000.0; //0.44
4105 } else if(!strcmp(arg, "svcd")) {
4107 opt_codec("c:v", "mpeg2video");
4108 opt_codec("c:a", "mp2");
4109 opt_format("f", "svcd");
4111 opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
4112 opt_frame_rate("r", frame_rates[norm]);
4113 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4114 opt_default("g", norm == PAL ? "15" : "18");
4116 opt_default("b", "2040000");
4117 opt_default("maxrate", "2516000");
4118 opt_default("minrate", "0"); //1145000;
4119 opt_default("bufsize", "1835008"); //224*1024*8;
4120 opt_default("flags", "+scan_offset");
4123 opt_default("b:a", "224000");
4124 audio_sample_rate = 44100;
4126 opt_default("packetsize", "2324");
4128 } else if(!strcmp(arg, "dvd")) {
4130 opt_codec("c:v", "mpeg2video");
4131 opt_codec("c:a", "ac3");
4132 opt_format("f", "dvd");
4134 opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
4135 opt_frame_rate("r", frame_rates[norm]);
4136 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4137 opt_default("g", norm == PAL ? "15" : "18");
4139 opt_default("b", "6000000");
4140 opt_default("maxrate", "9000000");
4141 opt_default("minrate", "0"); //1500000;
4142 opt_default("bufsize", "1835008"); //224*1024*8;
4144 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4145 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4147 opt_default("b:a", "448000");
4148 audio_sample_rate = 48000;
4150 } else if(!strncmp(arg, "dv", 2)) {
4152 opt_format("f", "dv");
4154 opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
4155 opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4156 norm == PAL ? "yuv420p" : "yuv411p");
4157 opt_frame_rate("r", frame_rates[norm]);
4159 audio_sample_rate = 48000;
4163 fprintf(stderr, "Unknown target: %s\n", arg);
4164 return AVERROR(EINVAL);
4169 static int opt_vstats_file(const char *opt, const char *arg)
4171 av_free (vstats_filename);
4172 vstats_filename=av_strdup (arg);
4176 static int opt_vstats(const char *opt, const char *arg)
4179 time_t today2 = time(NULL);
4180 struct tm *today = localtime(&today2);
4182 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4184 return opt_vstats_file(opt, filename);
4187 static int opt_bsf(const char *opt, const char *arg)
4189 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4190 AVBitStreamFilterContext **bsfp;
4193 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4197 bsfp= *opt == 'v' ? &video_bitstream_filters :
4198 *opt == 'a' ? &audio_bitstream_filters :
4199 &subtitle_bitstream_filters;
4201 bsfp= &(*bsfp)->next;
4208 static void log_callback_null(void* ptr, int level, const char* fmt, va_list vl)
4212 static int opt_passlogfile(const char *opt, const char *arg)
4214 pass_logfilename_prefix = arg;
4215 #if CONFIG_LIBX264_ENCODER
4216 return opt_default("passlogfile", arg);
4222 static const OptionDef options[] = {
4224 #include "cmdutils_common_opts.h"
4225 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4226 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4227 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4228 { "c", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4229 { "codec", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4230 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4231 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "DEPRECATED set meta data information of outfile from infile",
4232 "outfile[,metadata]:infile[,metadata]" },
4233 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4234 "outfile[,metadata]:infile[,metadata]" },
4235 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&chapters_input_file}, "set chapters mapping", "input_file_index" },
4236 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4237 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4238 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4239 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4240 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "scale" },
4241 { "timestamp", HAS_ARG, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4242 { "metadata", HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4243 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4244 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4245 "add timings for benchmarking" },
4246 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4247 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4248 "dump each input packet" },
4249 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4250 "when dumping packets, also dump the payload" },
4251 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4252 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "deprecated, use -loop" },
4253 { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "deprecated, use -loop", "" },
4254 { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
4255 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4256 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4257 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4258 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4259 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4260 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4261 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4262 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4263 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4264 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4265 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4266 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4269 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4270 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4271 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4272 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4273 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format, 'list' as argument shows all the pixel formats supported", "format" },
4274 { "bits_per_raw_sample", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&frame_bits_per_raw_sample}, "set the number of bits per raw sample", "number" },
4275 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4276 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4277 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4278 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4279 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4280 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4281 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4282 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4283 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4284 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4285 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4286 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4287 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4288 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4289 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4290 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
4291 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
4292 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
4293 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4294 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
4295 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4296 "deinterlace pictures" },
4297 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4298 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4299 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4301 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4303 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4304 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4305 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4306 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4307 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4308 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4309 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4310 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4311 { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4312 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4315 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4316 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4317 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4318 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4319 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4320 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4321 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4322 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4323 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4324 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_sample_fmt}, "set sample format, 'list' as argument shows all the sample formats supported", "format" },
4326 /* subtitle options */
4327 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4328 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4329 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4330 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4333 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "deprecated, use -channel", "channel" },
4334 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "deprecated, use -standard", "standard" },
4335 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4338 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4339 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4341 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4342 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4343 { "sbsf", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4345 /* data codec support */
4346 { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4348 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4352 int main(int argc, char **argv)
4356 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4358 if(argc>1 && !strcmp(argv[1], "-d")){
4361 av_log_set_callback(log_callback_null);
4366 avcodec_register_all();
4368 avdevice_register_all();
4371 avfilter_register_all();
4376 if(isatty(STDIN_FILENO))
4377 avio_set_interrupt_cb(decode_interrupt_cb);
4386 parse_options(argc, argv, options, opt_output_file);
4388 if(nb_output_files <= 0 && nb_input_files == 0) {
4390 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4394 /* file converter / grab */
4395 if (nb_output_files <= 0) {
4396 fprintf(stderr, "At least one output file must be specified\n");
4400 if (nb_input_files == 0) {
4401 fprintf(stderr, "At least one input file must be specified\n");
4406 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4408 ti = getutime() - ti;
4410 int maxrss = getmaxrss() / 1024;
4411 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4414 return exit_program(0);